PBS News Hour S43 E156 August 6, 2018

Monday on the NewsHour, National Security Adviser John Bolton discusses restoring sanctions on Iran after pulling out of the nuclear deal, plus the fallout for Iran's economy. Also: Climate change exacerbates the world's wildfires, President Trump's changing story on his son's meeting with Russians, a new book on the grave threat of cyberweapons, and why men should start reading together more.